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Share-based Compensation - Share-based Payment Arrangement, Option, Activity (Detail) - Share-based Payment Arrangement, Option [Member] - $ / shares
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of options, Outstanding 33,824,056    
Weighted average exercise price, Outstanding $ 0.1616    
Global Share Incentive Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of options, Outstanding 36,844,725 16,154,051 19,463,440
Number of options, Granted 0 21,631,945  
Number of options, Exercised   (201,040) (707,396)
Number of options, Forfeited (3,020,669) (740,231) (2,601,993)
Number of options, Outstanding 33,824,056 36,844,725 16,154,051
Number of options, Vested and exercisable 24,166,379 11,884,664 5,004,126
Weighted average exercise price, Outstanding $ 0.1608 $ 0.1607 $ 0.1607
Weighted average exercise price, Granted   0.1609  
Weighted average exercise price, Exercised   0.1607 0.1607
Weighted average exercise price, Forfeited 0.1515 0.1607 0.1607
Weighted average exercise price, Outstanding 0.1616 0.1608 0.1607
Weighted average exercise price, Vested and exercisable $ 0.164 $ 0.1709 $ 0.1607